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Nexus-Lumina-3B-v3/README.md
ModelHub XC 2f25b870df 初始化项目,由ModelHub XC社区提供模型
Model: gdinexus/Nexus-Lumina-3B-v3
Source: Original Platform
2026-06-13 15:58:18 +08:00

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---
base_model: Qwen/Qwen2.5-3B
library_name: mlx
license: other
license_name: qwen-research
license_link: https://huggingface.co/Qwen/Qwen2.5-3B/blob/main/LICENSE
language:
- en
pipeline_tag: text-generation
tags:
- mlx
- custom-kv-cache
- reasoning
---
# Nexus-Lumina-3B-v3
Nexus-Lumina-3B-v3 is a highly optimized, local reasoning engine fine-tuned by **GDI Nexus**.
To bypass instruction-tuning degradation (catastrophic forgetting), we fine-tuned the raw `Qwen2.5-3B` base model on 17,636 rigorously filtered reasoning chains from the OpenHermes dataset. It is engineered specifically for Apple Silicon via the MLX framework, utilizing our proprietary `mlx-ash-kv` (Asynchronous Self-Healing KV Cache) for maximum memory stability during extended contexts.
## Evaluation
Evaluated entirely locally on unified memory using the Hugging Face Leaderboard standard (25-shot):
* **Benchmark:** ARC-Challenge (25-shot)
* **Score:** 56.83% (Normalized Accuracy)
This model proves enterprise-grade 3B reasoning is achievable on local fanless hardware.